Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Siemens 3VA4145-4ED34-0AA0 Molded Case Circuit Breaker
- 45A
- 3 Pole
- Bolt-On
Siemens
3VA4145-4ED34-0AA0
Molded Case Circuit Breaker
Brand
Siemens
SKU
3VA4145-4ED34-0AA0
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Siemens 3VA4145-4ED34-0AA0 - 45A 3 Pole Molded Case Circuit Breaker
New
Quantity
Similar Items
35A 3 Pole Molded Case Circuit Breaker
35A 3 Pole Molded Case Circuit Breaker
3 Pole Circuit Breaker
Description
Constructed for robust power distribution, the Siemens 3VA4145-4ED34-0AA0 is a 3-pole, 45A bolt-on molded case circuit breaker from the SENTRON 3VA4 frame group. This current-limiting breaker installs into Siemens P1, P2, and P3 panelboards. It functions as a drop-in substitute for legacy ED43B045 models. The thermal-magnetic trip unit provides reliable LI protection. Rated at 25kA at 480V, it includes HACR and Naval ratings for specialized applications.Specifications
| Brand | Siemens |
|---|---|
| Part Number | 3VA4145-4ED34-0AA0 |
| Series | 3VA4 |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480Y/277VAC, 25kA @ 480VAC, 14kA @ 600Y/347VAC, 50kA @ 250VDC |
| Frame Type | 3VA41 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1 Panelboards, Siemens P2 Panelboards, Siemens P3 Panelboards |
| Wire Gauge | 14 AWG - 3/0 AWG |
| Max Wire | 3/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, HID Rated |
Product FAQs
8 answersWhat panelboards are compatible with the 3VA4145-4ED34-0AA0?
This breaker is designed for use in Siemens P1, P2, and P3 panelboards. Note that a specific mounting strap kit, such as the MBKVA41A or MBKVA41B for P1 panels, or the BBKVA4P2P3 for P2 and P3 panels, is required for installation.
Can the 3VA4145-4ED34-0AA0 replace older Siemens breakers?
Yes, this 3VA41 frame breaker serves as a drop-in functional replacement for legacy Siemens ED43B045 circuit breakers.
Does this breaker come with lugs installed on both sides?
No, the 4 in the 12th digit of the 3VA4145-4ED34-0AA0 catalog number indicates that it comes with lugs installed on the load side only. The line side is designed to bolt directly to the panelboard bus.
What wire material is compatible with the load side lugs on this breaker?
The standard load side lugs are made of aluminum and are rated for both copper and aluminum wire, accepting sizes from 14 AWG to 3/0 AWG.
What does the LI trip function code mean for this breaker?
The LI designation indicates that the thermal-magnetic trip unit provides Long-Time protection for sustained overloads and Instantaneous protection for immediate short-circuit tripping. Both settings are fixed on this TM210 trip unit.
Is the 3VA4145-4ED34-0AA0 suitable for HVAC equipment?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
Can this breaker be used in DC applications?
Yes, the 3VA4145-4ED34-0AA0 is rated for up to 250VDC with a 50kA interrupting capacity, making it suitable for direct current systems.
Does this breaker provide ground fault or arc fault protection?
No, this is a standard thermal-magnetic circuit breaker providing overload and short-circuit protection. It does not include GFCI or AFCI capabilities.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 5 reviews.
Search
Rating
5 reviews
- SWSHELDON W.Verified BuyerReviewingSiemens 3VA4160-4ED34-0AA0 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/27/26SuperBreakers has you covered
SuperBreakers has you covered when you’re in a pinch and need breakers at the last minute. Their customer service is excellent, and the team consistently goes above and beyond to help. I highly recommend them!
- RSRob S.Verified BuyerReviewingSiemens 3VA4150-6ED34-0AA0 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/8/2650 amp breaker
Very helpful and arrived quickly.
- JBJosh B.Verified BuyerReviewingSiemens 3VA4130-4ED24-0AA0 - 30A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/5/26Breakers
Exactly as described. Quick shipping.
- JLJeff L.Verified BuyerReviewingSiemens 3VA4120-6ED14-0AA0 - 20A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/11/26Better than new
Great condition and fast shipping
- KCKen C.Verified BuyerReviewingSiemens 3VA4150-4ED34-0AA0 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/22/25Breaker Order
Good prices and fast shipping.